Individual provider · Type 1 NPI

William Jefferson, M.A.

Marriage & Family Therapist · Gilbert, AZ

NPI number 1659419455 Active

Practice location

1150 N Sailors Way
Gilbert, AZ 85234-3612

Specialties and licenses

TaxonomyCodeLicense
Professional Counselor 101YP2500XLPC 0229 (AZ)
Marriage & Family Therapist Primary 106H00000XLMFT 0065 (AZ)

Marriage & Family Therapist: A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats ment…

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About NPI 1659419455

William Jefferson, M.A.'s National Provider Identifier is 1659419455, issued on Feb 2, 2007. The primary taxonomy on file is Marriage & Family Therapist (106H00000X), and the practice location is in Gilbert, AZ. The record was last updated on Sep 11, 2025.